base64: fix for unsigned chars (e.g. ARM).

[ccan] / ccan / opt / test / utils.h

diff --git a/ccan/opt/test/utils.h b/ccan/opt/test/utils.h
index 64641ec4f1d354e00e7fd77bda4699957ebc322a..3ada62d117c048ef666f5078d874c5bcc6a47129 100644 (file)
--- a/ccan/opt/test/utils.h
+++ b/ccan/opt/test/utils.h
@@ -13,7 +13,7 @@ void reset_options(void);
 extern unsigned int test_cb_called;
 char *test_noarg(void *arg);
 char *test_arg(const char *optarg, const char *arg);
-void show_arg(char *buf, size_t len, const char *arg);
+bool show_arg(char *buf, size_t len, const char *arg);
 
 extern struct opt_table short_table[];
 extern struct opt_table long_table[];